GB990586A - Improvements in or relating to electrolytic capacitors - Google Patents
Improvements in or relating to electrolytic capacitorsInfo
- Publication number
- GB990586A GB990586A GB533/62A GB53362A GB990586A GB 990586 A GB990586 A GB 990586A GB 533/62 A GB533/62 A GB 533/62A GB 53362 A GB53362 A GB 53362A GB 990586 A GB990586 A GB 990586A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium
- salt
- pyrolytically
- jan
- anode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 title abstract 4
- 239000004411 aluminium Substances 0.000 abstract 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 5
- 229910052782 aluminium Inorganic materials 0.000 abstract 5
- 150000003839 salts Chemical class 0.000 abstract 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical class [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 abstract 2
- 238000009736 wetting Methods 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000005030 aluminium foil Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000011888 foil Substances 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 238000000197 pyrolysis Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
990,586. Capacitors. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Jan. 5, 1962 [Jan. 9, 1961], No. 533/62. Drawings to Specification. Heading E1M. A solid electrolytic capacitor comprises an aluminium anode anodically formed with an oxide dielectric layer which is wetted with a solution or suspension of a salt of an oxygen containing acid pyrolytically convertible to a semi-conductive oxide layer, dried under reduced pressure at a temperature just below the prevailing boiling point of the wetting liquid, and heated to pyrolytically decompose the salt; the processes of formation, wetting, drying and pyrolysis being repeated at least once, after which leads are fitted and the capacitor is wax sealed into an aluminium tube. The anode may be etched or unetehed aluminium foil wound with a cathode foil and a glass fibre separator, or may be a body of aluminium powder compressed and sintered round a core, or a body of aluminium deposited on a rotated aluminium pin by Schoop spraying. The salt may be manganese nitrate pyrolytically yielding manganese dioxide, or salts of nickel or lead similarly yielding the oxides.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL259874 | 1961-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB990586A true GB990586A (en) | 1965-04-28 |
Family
ID=19752803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB533/62A Expired GB990586A (en) | 1961-01-09 | 1962-01-05 | Improvements in or relating to electrolytic capacitors |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3258826A (en) |
| AT (2) | AT249189B (en) |
| CH (1) | CH402187A (en) |
| DK (1) | DK103844C (en) |
| ES (2) | ES273435A1 (en) |
| GB (1) | GB990586A (en) |
| OA (1) | OA00750A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL301822A (en) * | 1963-12-13 | |||
| EP0421487A3 (en) * | 1986-05-20 | 1991-07-24 | Showa Denko Kabushiki Kaisha | Solid electrolytic capacitor |
| US9142359B2 (en) * | 2008-04-22 | 2015-09-22 | Toyo Aluminium Kabushiki Kaisha | Electrode material for aluminum electrolytic capacitor and process for producing the electrode material |
| WO2012161158A1 (en) | 2011-05-26 | 2012-11-29 | 東洋アルミニウム株式会社 | Electrode material for aluminum electrolytic capacitor, and process for producing same |
| JP5769528B2 (en) | 2011-07-15 | 2015-08-26 | 東洋アルミニウム株式会社 | Electrode material for aluminum electrolytic capacitor and method for producing the same |
| JP6073255B2 (en) | 2012-02-10 | 2017-02-01 | 東洋アルミニウム株式会社 | Method for producing electrode material for aluminum electrolytic capacitor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3093883A (en) * | 1963-06-18 | Manganese dioxide | ||
| US2005279A (en) * | 1930-07-24 | 1935-06-18 | Philips Nv | Electrical condenser |
| US2872629A (en) * | 1953-05-28 | 1959-02-03 | Sprague Electric Co | Fused salt electrolyte |
| US3066247A (en) * | 1954-08-25 | 1962-11-27 | Sprague Electric Co | Electrical capacitors |
| US2936514A (en) * | 1955-10-24 | 1960-05-17 | Sprague Electric Co | Electrolytic device |
-
1962
- 1962-01-03 US US164034A patent/US3258826A/en not_active Expired - Lifetime
- 1962-01-05 ES ES0273435A patent/ES273435A1/en not_active Expired
- 1962-01-05 GB GB533/62A patent/GB990586A/en not_active Expired
- 1962-01-05 CH CH12562A patent/CH402187A/en unknown
- 1962-01-06 DK DK6762AA patent/DK103844C/en active
- 1962-01-08 AT AT393963A patent/AT249189B/en active
- 1962-01-08 AT AT11462A patent/AT241639B/en active
- 1962-05-02 ES ES276939A patent/ES276939A1/en not_active Expired
-
1964
- 1964-12-12 OA OA50818A patent/OA00750A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES276939A1 (en) | 1962-08-01 |
| AT241639B (en) | 1965-08-10 |
| DK103844C (en) | 1966-02-28 |
| OA00750A (en) | 1967-07-15 |
| AT249189B (en) | 1966-09-12 |
| CH402187A (en) | 1965-11-15 |
| US3258826A (en) | 1966-07-05 |
| ES273435A1 (en) | 1962-06-16 |
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